Substance Information

NameEthylene oxide
CAS No75-21-8
EC No200-849-9
EC Index No603-023-00-X
FormulaC2H4O
SMILESO(C1)C1
InChIInChI=1/C2H4O/c1-2-3-1/h1-2H2
Vapour Density1.5205
Substance TypeToxic
State of MatterGas
Molecular Weight44.05 g/mol
Molar Volume49.912 cm3/mol
Density0.8826 g/cm3
Boiling Point273.42 K (0.2736°C)
Vapour Pressure25.4 psi (175127 Pa)
Specific Heat Ratio1.21
RMP Plume TypeDense
RMP Toxic Endpoint0.09 mg/L
RMP Density Factor0.55 ft2/lb
RMP Gas Factor22
RMP Liquid Factor Ambient0.1903
RMP Liquid Factor Boiling0.12
AccessPublic
Created: System

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